Research Article
Resource Allocation for D2D Communication Underlaying Cellular Networks: A Distance-Based Grouping Strategy
| | Parameters | Value |
| | Number of CUs () | 20-50 | | Number of DUs () | 5-40 | | Cell radius () | 500 m | | D2D link distance () | 5-45 (m) | | Transmission power of () | 24 dBm | | Maximal transmission power of () | 24 dBm | | Noise spectral density () | –174 dBm/Hz | | , | 2 bps/Hz | | Maximal learning factors (, ) | 2.5 | | Minimum learning factors (, ) | 0.5 | | Path loss constant () | 0.01 | | Fast fading factor () | Exponential distributed with unit mean | | Slow fading factor () | Log-normal distributed with standard deviation of 8 dB | | Path loss exponent () | 3 | | Random number uniformly distributed () | [0, 1] | | Maximal number of iterations () | 150 |
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